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# Section 8: Water Bodies

<figure><img src="/files/ndreCl5IPhtVK7VkGkTz" alt=""><figcaption></figcaption></figure>

Impoundment structures modify the movement of water in the channel network by lowering the peak flow and volume of flood discharges. Because impoundments slow down the flow of water, sediment will fall from suspension, removing nutrient and chemicals adsorbed to the soil particles.